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Home Q & A Board Science-Related Homework Help Mathematics
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gracehiller11 gracehiller11
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6 years ago
When 12 bolts are tested for hardness, their indexes have a standard deviation of 41.7. Test the claim that the standard deviation of the hardness indexes for all such bolts is greater than 30.0. Use a 0.025 level of significance.
 
  What will be an ideal response?
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hahauebfhahauebf
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6 years ago
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gracehiller11 Author
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6 years ago
this is exactly what I needed
Alina01978
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Yesterday
You make an excellent tutor!
foxrcng11
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2 hours ago
Thanks
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